64555556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{28871}}^1$

素因数の和:28931

約数の個数: 24

約数和(自身を含む): 124496064

約数和(自身を除く): 59940508

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 28871, 57742, 115484, 375323, 750646, 1241453, 1501292, 2482906, 4965812, 16138889, 32277778, 64555556]

約数ペア:

[(1, 64555556), (2, 32277778), (4, 16138889), (13, 4965812), (26, 2482906), (43, 1501292), (52, 1241453), (86, 750646), (172, 375323), (559, 115484), (1118, 57742), (2236, 28871)]